Author(s)

F. Haase, S. Lockwood & D.G. Ford

Abstract

The presented work is part of a project aimed at improving machine tool performance due to forced and self-excited vibration. Adaptive algorithms used in digital signal processing (DSP) are implemented in order to model machine tool structures and control the vibration. Self-excited machine tool vibration occurs when the cutting load exceeds the dynamic stiffness of the machine. The phenomenon is called chatter and has a direct impact on the surface finish, tool life and productivity. To avoid this, an experienced machine tool operator would try to change the cutting parameters or the clamping of the tool and work-piece. The aim for this research is to model machine tool structures adaptively in the digital domain, in order to control self-exited, but also forced vibration of mach

Keywords